Linq join giving me duplicate record, how to fix the below issue.

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I written below query in linq and want distnict record form item list but it's give me duplicate record also, Please help, Your help will too much appreciated!!!

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var skus = (from sku in multiviewcontext.GetTable<Ignify.Framework.Data.Tables.SKU>()
                      join product in multiviewcontext.GetTable<Ignify.Framework.Data.Tables.Product>() on sku.ProductId equals product.ProductId
                      join itempricelist in multiviewcontext.GetTable<Ignify.Framework.Data.Tables.PMItemPriceList_AX>() on product.Code equals itempricelist.ITEMRELATION
                      where
                      RequestedproductMasterIds.Contains(product.Code) &&
                      sku.CSRInformation == projectVariantId &&
                      itempricelist.CONFIGID == projectVariantId &&
                      itempricelist.ACCOUNTRELATION == priceGroupId
                      && sku.Visible==true// &&sku.StockQty>0
                      select new
                      {
                          sku.StockQty,
                          sku.Code,
                          itempricelist.AMOUNT,
                          itempricelist.TODATE,
                          productcode = itempricelist.ITEMRELATION,
                          sku.CSRInformation
                      }).Distinct().OrderByDescending(x=>x.TODATE);

Posted 30-Jun-14 4:31am

raneshtiwari

Updated 30-Jun-14 4:32am

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nrgjack · Answer 1 · 2014-06-30T04:54:00

well it's hard to say...

but i think that using a single query like yours is even harder.

try to split your query like that

C#

var skus = from sku in multiviewcontext.GetTable<Ignify.Framework.Data.Tables.SKU>()
           where sku.CSRInformation == projectVariantId
           where sku.Visible
           select sku;

var products = from product in multiviewcontext.GetTable<Ignify.Framework.Data.Tables.Product>()
               where RequestedproductMasterIds.Contains(product.Code)
               select product;

var itempricelists = from itempricelist in multiviewcontext.GetTable<Ignify.Framework.Data.Tables.PMItemPriceList_AX>()
                     where itempricelist.CONFIGID == projectVariantId
                     where itempricelist.ACCOUNTRELATION == priceGroupId
                     select itempricelist;

var result = from sku in skus
             join product in products on sku.ProductId equals product.ProductId
             join itempricelist in itempricelists on product.Code equals itempricelist.ITEMRELATION
             select new {sku, product, itempricelist};

and debug every "part" to find the duplicates.